| 2827.59.25 | 00 | Of ammonium, of calcium or of zinc | kg | Free | | 25% |
| 2831 | | Dithionites and sulfoxylates: | | | | |
| 2833.29.20 | 00 | Of iron | kg | Free | | Free |
| 2834.29.20 | 00 | Of strontium | kg | 4.2% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2835 | | Phosphinates (hypophosphites), phosphonates (phos- phites) and phosphates; polyphosphates, whether or not chemically defined: | | | | |
| 2835.10.00 | 00 | Phosphinates (hypophosphites) and phosphonates (phosphites) | kg | 3.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2835.22.00 | 00 | Of mono- or disodium | kg | 1.4% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 6% |
| 2835.29.20 | 00 | Of triammonium | kg | 1.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 8.5% |
| 2836 | | Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate: | | | | |
| 2836.20.00 | 00 | Disodium carbonate | kg | 1.2% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 8.5% |
| 2836.30.00 | 00 | Sodium hydrogencarbonate (Sodium bicarbonate) | kg | Free | | Free |
| 2836.40 | | Potassium carbonates: | | | | |
| 2836.40.10 | 00 | Dipotassium carbonate | kg | 1.9% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 6% |
| 2836.40.20 | 00 | Potassium hydrogencarbonate (Potassium bicarbonate) | kg | 1.3% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 4.8% |
| 2836.50.00 | 00 | Calcium carbonate | kg | Free | | 25% |
| 2836.60.00 | 00 | Barium carbonate | kg | 2.3% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 8.4% |
| 2836.91.00 | | Lithium carbonates | | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2836.92.00 | 00 | Strontium carbonate | kg | 4.2% | Free (A,AU,BH, CA,CL,E, IL,J,JO, MA,MX,P,SG) | 25% |
| 2836.99.10 | 00 | Cobalt carbonates | kg | 4.2% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 30% |
| 2836.99.20 | 00 | Bismuth carbonate | kg | 5.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 35% |
| 2836.99.30 | 00 | Commercial ammonium carbonate and other ammonium carbonates | kg | 1.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 16% |
| 2836.99.40 | 00 | Lead carbonates | kg | 0.5% | Free (A,AU,BH, CA,CL,E, IL,J,JO, MA,MX,P,SG) | 4.5% |
| 2841.70.10 | 00 | Of ammonium | kg Mo kg | 4.3% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 29% |
| 2841.80.00 | 10 | Of ammonium | kg W kg | | | |
| 2841.90.20 | 00 | Ammonium perrhenate | kg | 3.1% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
